Humidifier heaterbase



FIG. 1 is a top, front and side perspective view of humidifier heaterbase embodying our new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a first side view thereof.

FIG. 5 is a second side view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Broken lines are used to illustrate features of the humidifier heaterbase which form no part of the claimed design. The dot dot dash lines represent boundary lines which form no part of the claimed design. 

CLAIM The ornamental design for a humidifier heaterbase, as shown and described. 